Men's Underwear › Smartwool › Tops › Thermals

Smartwool Merino 250 Baselayer Crew - Women's Black Small SW016369001-S. We've... Smartwool Merino 250 Baselayer Crew - Women's Black Small SW016369001-S. We've updated this 100percent Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder... more

Smartwool Merino 250 Baselayer 1/4 Zip - Women's Black Small SW016373001-S. As... Smartwool Merino 250 Baselayer 1/4 Zip - Women's Black Small SW016373001-S. As one of our heaviest base layer tops and one of our best base layers for cold weather this garment uses 100percent responsibly sourced Merino wool shoulder panels and a... more

Smartwool Merino 250 Baselayer 1/4 Zip - Women's Black Medium SW016373001-M. A... Smartwool Merino 250 Baselayer 1/4 Zip - Women's Black Medium SW016373001-M. As one of our heaviest base layer tops and one of our best base layers for cold weather this garment uses 100percent responsibly sourced Merino wool shoulder panels and a... more

Men's Smartwool Classic Thermal Merino Wool Crewneck Base Layer - Blue - Long ... Men's Smartwool Classic Thermal Merino Wool Crewneck Base Layer - Blue - Long sleeve t-shirts This base layer is made from breathable merino wool and features shoulder panels and flatlock seams to help improve functionality and prevent chafing. more

This minimalist-style crew is anything but insignificant. The Smartwool Men's ... This minimalist-style crew is anything but insignificant. The Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

This minimalist-style crew is anything but insignificant. The Smartwool Men's ... This minimalist-style crew is anything but insignificant. The Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

This minimalist-style crew is anything but insignificant. The Smartwool Men's ... This minimalist-style crew is anything but insignificant. The Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

Smartwool Merino 250 Baselayer 1/4 Zip - Men's Black Medium SW016355001. As on... Smartwool Merino 250 Baselayer 1/4 Zip - Men's Black Medium SW016355001. As one of our heaviest base layer tops and best base layers for cold weather this garment uses 100percent responsibly sourced Merino wool shoulder panels and a flatlock seam... more

Smartwool Merino 250 Baselayer 1/4 Zip - Men's Deep Navy Large SW016355092-L. ... Smartwool Merino 250 Baselayer 1/4 Zip - Men's Deep Navy Large SW016355092-L. As one of our heaviest base layer tops and best base layers for cold weather this garment uses 100percent responsibly sourced Merino wool shoulder panels and a flatlock seam... more

Smartwool Merino 250 Baselayer Crew - Women's Charcoal Heather Small SW0163690... Smartwool Merino 250 Baselayer Crew - Women's Charcoal Heather Small SW016369010-S. We've updated this 100percent Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of... more

Smartwool Merino 250 Baselayer Crew - Women's Black Medium SW016369001-M. We'v... Smartwool Merino 250 Baselayer Crew - Women's Black Medium SW016369001-M. We've updated this 100percent Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder... more

Smartwool Merino 250 Baselayer Crew - Women's Black Extra Large SW016369001-XL... Smartwool Merino 250 Baselayer Crew - Women's Black Extra Large SW016369001-XL. We've updated this 100percent Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of... more

Smartwool Merino 250 Baselayer 1/4 Zip - Men's Deep Navy Large SW016355092-L. ... Smartwool Merino 250 Baselayer 1/4 Zip - Men's Deep Navy Large SW016355092-L. As one of our heaviest base layer tops and best base layers for cold weather this garment uses 100percent responsibly sourced Merino wool shoulder panels and a flatlock seam... more

Smartwool Merino 250 Baselayer Crew - Women's Black Large SW016369001-L. We've... Smartwool Merino 250 Baselayer Crew - Women's Black Large SW016369001-L. We've updated this 100percent Merino wool fan-favorite with new color options and an enhanced fit to improve functionality while elevating aesthetics. The addition of shoulder... more

This minimalist-style crew is anything but insignificant. The Smartwool Men's ... This minimalist-style crew is anything but insignificant. The Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

Meet the Smartwool Men's Intraknit Thermal Merino Base Layer 1/4 Zip Shirt. Th... Meet the Smartwool Men's Intraknit Thermal Merino Base Layer 1/4 Zip Shirt. This bulk-free, 100% Merino wool thermal layer brings a new dimension to active winter wear. With seamlessly integrated insulation and ventilation, perfectly articulated flex... more

This minimalist-style crew is anything but insignificant. The Smartwool Men's ... This minimalist-style crew is anything but insignificant. The Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

Meet the Smartwool Men's Intraknit Thermal Merino Base Layer 1/4 Zip Shirt. Th... Meet the Smartwool Men's Intraknit Thermal Merino Base Layer 1/4 Zip Shirt. This bulk-free, 100% Merino wool thermal layer brings a new dimension to active winter wear. With seamlessly integrated insulation and ventilation, perfectly articulated flex... more

This minimalist-style crew is anything but insignificant. The Smartwool Men's ... This minimalist-style crew is anything but insignificant. The Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more

This minimalist-style crew is anything but insignificant. The Smartwool Men's ... This minimalist-style crew is anything but insignificant. The Smartwool Men's Intraknit Thermal Merino Base Layer Crew is a lightweight, super-moveable top, made for all of your most extreme cold-weather activities. With Merino Sport yarns and... more